Table 2: The PWD-derived parameters of diastolic function improved significantly in the clinical responder group.

	Clinical responders: n=26
	preCRT	postCRT	p
Ewave (m/s)	0.82 (±0.24)	0.57 (±0.26)	< 0.001
Awave (m/s)	0.5 (±0.23)	0.69 (±0.24)	0.001
E/A ratio	2.1 ± 1.5	1.1 ± 1	< 0.001
DT (ms)	170 ± 74	267 ± 88	< 0.001